This adapter can make listed lithium batteries use on BOSCH 18V LITHIUM cordless power tools , and let you Enjoy the benefits of extended run-time of Li-Ion Batteries on your existing 18V tools.Maximum initial battery voltage(measured without a workload) is 20volts,Nominal voltage is 18voltsNotice:Allows for use of 20V MAX batteries and replacement batteries in most batteries of DEWALT and for use of 18V Lithium-ion batteries and replacement batteries in most of batteries of Milwaukee ,etc.Use for BOSCH 18V LITHIUM cordless power tools.Can not be used for power tool battery charging, this adapter will not fit into any chargers. If youneed to charge your power tool batteries ,please use the original battery chargers.Colour:blackMaterial:plasticSize:11*10.5*9cmPackage Contents:1x DM18BSL Lithium battery adapterOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.+